Knitting-machine needle and jack.



No. 763,400. PATENTBD JUNE 28/1904.

' HURLEY & 0. J. SIBBALD. KNITTING MACHINE NEEDLE AND JACK.

, APPLICATION FILED DEC. 12, 1903. N0 MODEL.

UNITED STATES Patented June 28, 1904. V 5

PATENT OFFICE.

DANIEL HURLEY, OF BENNINGTON, VERMONT, AND CHARLES J. SIBBALD,

OF TROY, NEWV YORK, ASSIGNORS TO CHARLES COOPER, OF BENNING- TON, VERMONT.

KNITTING-MACHINE NEEDLE AND JACK.

SPECIFICATION forming part of Letters Patent No. 763,400, dated June 28, 1904.

Application filed December 12, 1903. Serial No. 184,866. (No model.)

To all whom it may concern.-

Be it known'that we, DANIEL HURLEY, residing at Bennington, in the county of Bennington and State of Vermont, and CHARLES J. SIB- BALD, residing at Troy, in the county of Reusselaer and State of New York, citizens of the United States,'have invented new and useful Improvements in Knitting-Machine Needles and Jacks, of which the following is a specification.

This invention relates to improvements in needles and jacks for knitting-machines, the object of the invention being to provide a needle and jack which cannot be separated without removing the same from the tricks in the knitting-machine cylinder, and when so removed the needle and jack are separated by moving one with relation to the other laterally.

The object of the invention is again to secure the result ,hereinbefore set forth with only a single bend in the needle and yet have the back of the shank of the needle flush with the back of the needle-jack, so that the back of said needle and jacks bears againstthe bottom of the tricks in the needle-cylinder.

The object of the invention is still further to provide a jack so constructed that it will keep the slots or tricks in the cylinder freed from dust and particles of yarn which collect in said slots and cause trouble by interfering with the longitudinal movement of the jacks therein.

The invention consists in a knitting-machine needle, the lower end of the shank of said needle being bent at an angle to the body of said shank, said bent end being of greater width between its upper and lower edges at one portion than at another portion thereof located nearer said body.

The invention further consists in the com bination of a needle and jack, the needle formed as hereinbefore set forth and the jack provided with a slot extending laterally partly thereacross from the back toward the front thereof and formed to fit the bent end of said needle.

The invention again consists in a needlejack provided with a beveled lower 'end terminating in a cutting edge. 3

The invention finally consists in the combination and arrangement of parts set forth in the following specification, and particularly pointed out in the claims thereof.

Referring to the drawings, Figure 1 is a section of a portion of a knitting-machine cylinder with our improved jack and needle shown in elevation in connection therewith. Fig. 2 is an enlarged perspective view of our improved knitting-machine needle and jack. Fig. 3 is an enlarged section of the bent end of the needle, taken on line 33 of Fig. 2. Fig. 1 is a perspective view of a modified form of our improved needle and jack. Fig. 5 is an enlarged transverse section of the bent 'end of the needle illustrated in Fig. 4, taken on line 5 5.

Like numerals refer to like parts throughout the several views of the drawings.

In the drawings, 10 is a portion of a needlecylinder of a construction well known to those skilled in the art.

11 is a spring-barb needle constructed in accordance with our invention, Figs. 1, 2, and 3, in which 12 is the shank. 13 is the lower end thereof, bent at an angle to the main body of the shank 12 and flattened at 1 1 to a greater width than the diameter of the wire of which the needle is constructed and also to a greater Width than the remaining portion of the bent end of said needle.

The jack 15 is provided with a slot 16, eX- tending laterally partly across said jack from the back face thereof toward the front, said slot being enlarged at 17 to receive the flattened portion 14 of the lower end of the needle 11. The jack 15 is cut away on the rear edge from the slot 16 upwardly to the top thereof to a width equal to the diameter of the shank 12 of the needle.- The lower endof the jack 15 is beveled at 18 and terminates in a cutting edge 19. I

In operation the needle-jack and needle are moved up and down in the tricks 20, formed in the cylinder 10, by cams which engage the projections 21 upon the jack 15 in a manner well known to those skilled in the art. It will be seen that the needle 11 and jack cannot be detached one from the other except by moving them laterally with relation to each other. It will also be evident that any dirt or detached portions of yarn which collect in the tricks will be removed at each downward motion of the jack by the beveled end 18 and cutting edge 19 of said jack.

In Figs. 4 and 5 a modified form of our invention is illustrated in which the needle 11' is bent at its lower end 13' and flattened so that it is wider at the left hand of said bent portion than at the right-hand end thereof, Fig. 4. The jack 15 is provided with a slot 16, which is fitted to receive the flattened bent end 13 of the needle 11. Said jack is also cut away upon the back edge thereof from the slot 16 to the top to receive the shank 12 of the needle 11.

It will be seen that the needles hereinbefore described possess the advantage that while they can be detached from the jack only by moving them laterally with relation to said jack yet they have only one bend and are much less liable to break than needles which are made with two bends in order to secure the same result.

Having thus described our invention, what we claim, and desire by Letters Patent to secure, is

1. As an article of manufacture a knittingmachine needle, the lower end of the shank of said needle bent at an angle to the body of said shank, said bent end being of greater width between its upper and lower edges at one portion than at another portion thereof located nearer said body.

2. As an article of manufacture, a knittingmachine needle, the lower end of the shank of said needle bent at an angle to the body of said shank, said bent portion comprising as a whole a single thickness of wire, the upper and lower edges of said bent portion converging toward each other from the outer end thereof toward the main body of said shank.

3; As an article of manufacture, a knittingmachine needle, the lower end of the shank of said needle bent at an angle to the body of said shank, said bent portion being of greater width at one portion thereof than at another; in combination with a jack provided with a slot of greater Width at one portion than at another constructed to receive said bent end.

L As an article of manufacture, a jack for knitting-machines, constructed with a slot extending laterally partly thereacross, from the back toward the front thereof, and of greater width at one portion than at another, and a knitting-machine needle having the lower end thereof bent at an angle to the shank and formed to fit the slot in said jack.

5. As an article of manufacture, a knittingmachine needle-jack provided at the lower end thereof with a bevel terminating in a cutting edge.

6. As an article of manufacture, a jack for knitting-machines constructed with a slot extending laterally partly thereacross, from the back toward the front thereof, and of greater width at one portion than at another.

In testimony whereof we have hereunto set our hands in presence of two subscribing witnesscs.

DANIEL HURLEY. CHARLES J. SIBBALD.

Witnesses:

CHARLES S. KEHoE, EARL A. SMITH. 

